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If the distance between the first and tenth maxima of a double slit pattern is 4.2mm and the slits are separated by 0.15mm with the screen 90cm from the slits, what is the wavelength of the used?
An electric motor contains a 250-turn circular coil 5.8cm in diameter. If it is to develop a maximum torque of 1.6Nm at a current of 4.0 A, what should be the magnetic field strength
Two small spheres, each with mass m = 3.1 g and charge q, are suspended from a point by threads of length L = 0.23 m
Two point charges are fixed to rectangular coordinate system, Charges of q1 = 3.5uC and q2 = -15 uChave coordinates (0.55,0) and (0,0) in meters respectively
A man does 4,335 J of work in the process of pushing his 2.80 103 kg truck from rest to a speed of v, over a distance of 27.5 m. determine the horizontal force exerted on the truck
An electron moves at right angles to a magnetic field of 0.109 T. What is its speed if the force exerted on it is 9×10-15 N.
One possible means of achieving space flight is to place a perfectly reflecting aluminized sheet into Earth 's orbit and to use the light from the Sun to push this solar sail, What force is exerted on the sail
Four point charges have equal magnitudes. Three are positive, and one is negative, find the ratio of the largest to the smallest net force magnitude
A resistor draws 5.00A from an ideal 12.0-V battery. If this current is used to calculate the resistance, by what percent will the result be in error
A 8.7 kg freight car is coasting at a speed of 38.8 m/s along a straight track when it strikes a 13.5 kg stationary freight car and couples to it. What will be their combined speed after impact
The acceleration as a function of time of a mass-spring system is given by a=(0.70m/s^2)sin[(3rad/s)t]. a)If the spring constant is 20N/m, what is the amplitude? b)What is the initial velocity? c)what is the mass of object?
When high-energy, chargedparticles move through a transparent medium with a speed greaterthan the speed of light in that medium, a shock wave, or bow wave,of light is produced.
An underwater scuba diver sees the Sun at an apparent angle of38.0°from the vertical. What is actual direction of the Sun
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